Finding the Fourth Proportional to 159,307.24, 239,108.46 and 80,476.96
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Solution
The fourth proportional to 159,307.24, 239,108.46 and 80,476.96 is: 120,790.00
Step by Step Solution
- Step 1: Write the proportion equation
159,307.24 : 239,108.46 = 80,476.96 : x - Step 2: Convert to fraction form
159,307.24/239,108.46 = 80,476.96/x - Step 3: Cross multiply
159,307.24x = 239,108.46 × 80,476.96 - Step 4: Simplify right side
159,307.24x = 19,242,721,971.08 - Step 5: Solve for x
x = 19,242,721,971.08/159,307.24 - Step 6: Final answer
x = 120,790.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.